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4bb6408c | 1 | ///////////////////////////////////////////////////////////////////////////// |
355b4d3d | 2 | // Name: src/motif/textctrl.cpp |
4bb6408c JS |
3 | // Purpose: wxTextCtrl |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
65571936 | 9 | // Licence: wxWindows licence |
4bb6408c JS |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
66a007fb VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
1248b41f MB |
20 | // For compilers that support precompilation, includes "wx.h". |
21 | #include "wx/wxprec.h" | |
22 | ||
bcd055ae JJ |
23 | #ifdef __VMS |
24 | #define XtParent XTPARENT | |
25 | #endif | |
26 | ||
d2c7015b VZ |
27 | #include "wx/defs.h" |
28 | ||
4bb6408c JS |
29 | #include <sys/types.h> |
30 | #include <sys/stat.h> | |
66a007fb | 31 | #include <ctype.h> |
4bb6408c JS |
32 | |
33 | #include "wx/textctrl.h" | |
34 | #include "wx/settings.h" | |
35 | #include "wx/filefn.h" | |
36 | #include "wx/utils.h" | |
37 | ||
338dd992 JJ |
38 | #ifdef __VMS__ |
39 | #pragma message disable nosimpint | |
40 | #endif | |
02e8b2f9 | 41 | #include <Xm/Text.h> |
338dd992 JJ |
42 | #ifdef __VMS__ |
43 | #pragma message enable nosimpint | |
44 | #endif | |
02e8b2f9 JS |
45 | |
46 | #include "wx/motif/private.h" | |
47 | ||
66a007fb VZ |
48 | // ---------------------------------------------------------------------------- |
49 | // private functions | |
50 | // ---------------------------------------------------------------------------- | |
51 | ||
c27eab7e VZ |
52 | // helper: inserts the new text in the value of the text ctrl and returns the |
53 | // result in place | |
54 | static void MergeChangesIntoString(wxString& value, | |
55 | XmTextVerifyCallbackStruct *textStruct); | |
56 | ||
66a007fb VZ |
57 | // callbacks |
58 | static void wxTextWindowChangedProc(Widget w, XtPointer clientData, XtPointer ptr); | |
59 | static void wxTextWindowModifyProc(Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs); | |
60 | static void wxTextWindowGainFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs); | |
61 | static void wxTextWindowLoseFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs); | |
62 | static void wxTextWindowActivateProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *ptr); | |
02e8b2f9 | 63 | |
66a007fb | 64 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) |
4bb6408c | 65 | |
66a007fb VZ |
66 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) |
67 | EVT_DROP_FILES(wxTextCtrl::OnDropFiles) | |
68 | EVT_CHAR(wxTextCtrl::OnChar) | |
e702ff0f JS |
69 | |
70 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) | |
71 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) | |
72 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) | |
73 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) | |
74 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) | |
75 | ||
76 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) | |
77 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) | |
78 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) | |
79 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) | |
80 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) | |
81 | ||
66a007fb | 82 | END_EVENT_TABLE() |
4bb6408c | 83 | |
66a007fb VZ |
84 | // ============================================================================ |
85 | // implementation | |
86 | // ============================================================================ | |
87 | ||
88 | // ---------------------------------------------------------------------------- | |
89 | // wxTextCtrl | |
90 | // ---------------------------------------------------------------------------- | |
91 | ||
4bb6408c JS |
92 | // Text item |
93 | wxTextCtrl::wxTextCtrl() | |
4bb6408c | 94 | { |
02e8b2f9 | 95 | m_tempCallbackStruct = (void*) NULL; |
7d8268a1 WS |
96 | m_modified = false; |
97 | m_processedDefault = false; | |
4bb6408c JS |
98 | } |
99 | ||
66a007fb VZ |
100 | bool wxTextCtrl::Create(wxWindow *parent, |
101 | wxWindowID id, | |
2d120f83 JS |
102 | const wxString& value, |
103 | const wxPoint& pos, | |
66a007fb VZ |
104 | const wxSize& size, |
105 | long style, | |
2d120f83 JS |
106 | const wxValidator& validator, |
107 | const wxString& name) | |
4bb6408c | 108 | { |
e1aae528 MB |
109 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) |
110 | return false; | |
111 | ||
02e8b2f9 | 112 | m_tempCallbackStruct = (void*) NULL; |
7d8268a1 WS |
113 | m_modified = false; |
114 | m_processedDefault = false; | |
66a007fb | 115 | |
e1aae528 | 116 | m_backgroundColour = *wxWHITE; |
66a007fb | 117 | |
02e8b2f9 | 118 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
66a007fb | 119 | |
996994c7 | 120 | Bool wantHorizScroll = (m_windowStyle & wxHSCROLL) != 0 ? True : False; |
02e8b2f9 | 121 | // If we don't have horizontal scrollbars, we want word wrap. |
996994c7 MB |
122 | // OpenMotif 2.1 crashes if wantWordWrap is True in Japanese |
123 | // locale (and probably other multibyte locales). The check might be | |
124 | // more precise | |
125 | #if wxCHECK_LESSTIF() || wxCHECK_MOTIF_VERSION( 2, 2 ) | |
126 | Bool wantWordWrap = wantHorizScroll == True ? False : True; | |
127 | #else | |
128 | Bool wantWordWrap = False; | |
129 | #endif | |
66a007fb | 130 | |
02e8b2f9 JS |
131 | if (m_windowStyle & wxTE_MULTILINE) |
132 | { | |
996994c7 MB |
133 | Arg args[8]; |
134 | int count = 0; | |
135 | XtSetArg (args[count], XmNscrollHorizontal, wantHorizScroll); ++count; | |
136 | XtSetArg (args[count], (String) wxFont::GetFontTag(), | |
137 | m_font.GetFontType( XtDisplay(parentWidget) ) ); ++count; | |
138 | XtSetArg (args[count], XmNwordWrap, wantWordWrap); ++count; | |
355b4d3d | 139 | XtSetArg (args[count], XmNvalue, value.c_str()); ++count; |
996994c7 MB |
140 | XtSetArg (args[count], XmNeditable, |
141 | style & wxTE_READONLY ? False : True); ++count; | |
142 | XtSetArg (args[count], XmNeditMode, XmMULTI_LINE_EDIT ); ++count; | |
143 | ||
144 | m_mainWidget = | |
145 | (WXWidget) XmCreateScrolledText(parentWidget, | |
146 | wxConstCast(name.c_str(), char), | |
147 | args, count); | |
148 | ||
02e8b2f9 JS |
149 | XtManageChild ((Widget) m_mainWidget); |
150 | } | |
151 | else | |
152 | { | |
66a007fb VZ |
153 | m_mainWidget = (WXWidget)XtVaCreateManagedWidget |
154 | ( | |
d3a80c92 | 155 | wxConstCast(name.c_str(), char), |
66a007fb VZ |
156 | xmTextWidgetClass, |
157 | parentWidget, | |
996994c7 MB |
158 | wxFont::GetFontTag(), m_font.GetFontType( XtDisplay(parentWidget) ), |
159 | XmNvalue, value.c_str(), | |
160 | XmNeditable, (style & wxTE_READONLY) ? | |
161 | False : True, | |
66a007fb VZ |
162 | NULL |
163 | ); | |
164 | ||
996994c7 | 165 | #if 0 |
02e8b2f9 JS |
166 | // TODO: Is this relevant? What does it do? |
167 | int noCols = 2; | |
168 | if (!value.IsNull() && (value.Length() > (unsigned int) noCols)) | |
169 | noCols = value.Length(); | |
66a007fb VZ |
170 | XtVaSetValues((Widget) m_mainWidget, |
171 | XmNcolumns, noCols, | |
172 | NULL); | |
996994c7 | 173 | #endif |
02e8b2f9 | 174 | } |
66a007fb VZ |
175 | |
176 | // remove border if asked for | |
177 | if ( style & wxNO_BORDER ) | |
178 | { | |
179 | XtVaSetValues((Widget)m_mainWidget, | |
180 | XmNshadowThickness, 0, | |
181 | NULL); | |
182 | } | |
183 | ||
66a007fb | 184 | // install callbacks |
02e8b2f9 | 185 | XtAddCallback((Widget) m_mainWidget, XmNvalueChangedCallback, (XtCallbackProc)wxTextWindowChangedProc, (XtPointer)this); |
66a007fb | 186 | |
02e8b2f9 | 187 | XtAddCallback((Widget) m_mainWidget, XmNmodifyVerifyCallback, (XtCallbackProc)wxTextWindowModifyProc, (XtPointer)this); |
66a007fb | 188 | |
dfc54541 | 189 | XtAddCallback((Widget) m_mainWidget, XmNactivateCallback, (XtCallbackProc)wxTextWindowActivateProc, (XtPointer)this); |
66a007fb | 190 | |
02e8b2f9 | 191 | XtAddCallback((Widget) m_mainWidget, XmNfocusCallback, (XtCallbackProc)wxTextWindowGainFocusProc, (XtPointer)this); |
66a007fb | 192 | |
02e8b2f9 | 193 | XtAddCallback((Widget) m_mainWidget, XmNlosingFocusCallback, (XtCallbackProc)wxTextWindowLoseFocusProc, (XtPointer)this); |
66a007fb | 194 | |
e1aae528 | 195 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
f9204363 | 196 | pos.x, pos.y, size.x, size.y); |
66a007fb | 197 | |
0d57be45 | 198 | ChangeBackgroundColour(); |
66a007fb | 199 | |
7d8268a1 | 200 | return true; |
4bb6408c JS |
201 | } |
202 | ||
02e8b2f9 | 203 | WXWidget wxTextCtrl::GetTopWidget() const |
4bb6408c | 204 | { |
ccb234b4 MB |
205 | return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget) |
206 | : m_mainWidget; | |
4bb6408c JS |
207 | } |
208 | ||
02e8b2f9 | 209 | wxString wxTextCtrl::GetValue() const |
4bb6408c | 210 | { |
c27eab7e VZ |
211 | wxString str; // result |
212 | ||
dfc54541 | 213 | if (m_windowStyle & wxTE_PASSWORD) |
c27eab7e VZ |
214 | { |
215 | // the value is stored always in m_value because it can't be retrieved | |
216 | // from the text control | |
217 | str = m_value; | |
218 | } | |
dfc54541 JS |
219 | else |
220 | { | |
c27eab7e | 221 | // just get the string from Motif |
dfc54541 | 222 | char *s = XmTextGetString ((Widget) m_mainWidget); |
c27eab7e | 223 | if ( s ) |
dfc54541 | 224 | { |
c27eab7e | 225 | str = s; |
dfc54541 | 226 | XtFree (s); |
2d120f83 | 227 | } |
c27eab7e VZ |
228 | //else: return empty string |
229 | ||
230 | if ( m_tempCallbackStruct ) | |
dfc54541 | 231 | { |
c27eab7e VZ |
232 | // the string in the control isn't yet updated, can't use it as is |
233 | MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *) | |
234 | m_tempCallbackStruct); | |
dfc54541 JS |
235 | } |
236 | } | |
c27eab7e VZ |
237 | |
238 | return str; | |
4bb6408c JS |
239 | } |
240 | ||
996994c7 | 241 | void wxTextCtrl::SetValue(const wxString& text) |
4bb6408c | 242 | { |
7d8268a1 | 243 | m_inSetValue = true; |
66a007fb | 244 | |
996994c7 MB |
245 | XmTextSetString ((Widget) m_mainWidget, wxConstCast(text.c_str(), char)); |
246 | XtVaSetValues ((Widget) m_mainWidget, | |
247 | XmNcursorPosition, text.length(), | |
b86de524 | 248 | NULL); |
ccb234b4 | 249 | |
996994c7 MB |
250 | SetInsertionPoint(text.length()); |
251 | XmTextShowPosition ((Widget) m_mainWidget, text.length()); | |
355b4d3d | 252 | m_modified = true; |
66a007fb | 253 | |
7d8268a1 | 254 | m_inSetValue = false; |
4bb6408c JS |
255 | } |
256 | ||
257 | // Clipboard operations | |
258 | void wxTextCtrl::Copy() | |
259 | { | |
dfc54541 | 260 | XmTextCopy((Widget) m_mainWidget, CurrentTime); |
4bb6408c JS |
261 | } |
262 | ||
263 | void wxTextCtrl::Cut() | |
264 | { | |
dfc54541 | 265 | XmTextCut((Widget) m_mainWidget, CurrentTime); |
4bb6408c JS |
266 | } |
267 | ||
268 | void wxTextCtrl::Paste() | |
269 | { | |
dfc54541 | 270 | XmTextPaste((Widget) m_mainWidget); |
4bb6408c JS |
271 | } |
272 | ||
ca8b28f2 JS |
273 | bool wxTextCtrl::CanCopy() const |
274 | { | |
275 | // Can copy if there's a selection | |
276 | long from, to; | |
277 | GetSelection(& from, & to); | |
278 | return (from != to) ; | |
279 | } | |
280 | ||
281 | bool wxTextCtrl::CanCut() const | |
282 | { | |
283 | // Can cut if there's a selection | |
284 | long from, to; | |
285 | GetSelection(& from, & to); | |
dbf28859 | 286 | return (from != to) && (IsEditable()); |
ca8b28f2 JS |
287 | } |
288 | ||
289 | bool wxTextCtrl::CanPaste() const | |
290 | { | |
291 | return IsEditable() ; | |
292 | } | |
293 | ||
294 | // Undo/redo | |
295 | void wxTextCtrl::Undo() | |
296 | { | |
297 | // Not possible in Motif | |
298 | } | |
299 | ||
300 | void wxTextCtrl::Redo() | |
301 | { | |
302 | // Not possible in Motif | |
303 | } | |
304 | ||
305 | bool wxTextCtrl::CanUndo() const | |
306 | { | |
307 | // No Undo in Motif | |
7d8268a1 | 308 | return false; |
ca8b28f2 JS |
309 | } |
310 | ||
311 | bool wxTextCtrl::CanRedo() const | |
312 | { | |
313 | // No Redo in Motif | |
7d8268a1 | 314 | return false; |
ca8b28f2 JS |
315 | } |
316 | ||
317 | // If the return values from and to are the same, there is no | |
318 | // selection. | |
319 | void wxTextCtrl::GetSelection(long* from, long* to) const | |
320 | { | |
321 | XmTextPosition left, right; | |
322 | ||
323 | XmTextGetSelectionPosition((Widget) m_mainWidget, & left, & right); | |
324 | ||
325 | *from = (long) left; | |
326 | *to = (long) right; | |
327 | } | |
328 | ||
329 | bool wxTextCtrl::IsEditable() const | |
330 | { | |
331 | return (XmTextGetEditable((Widget) m_mainWidget) != 0); | |
332 | } | |
333 | ||
4bb6408c JS |
334 | void wxTextCtrl::SetEditable(bool editable) |
335 | { | |
dfc54541 | 336 | XmTextSetEditable((Widget) m_mainWidget, (Boolean) editable); |
4bb6408c JS |
337 | } |
338 | ||
339 | void wxTextCtrl::SetInsertionPoint(long pos) | |
340 | { | |
dfc54541 | 341 | XmTextSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos); |
4bb6408c JS |
342 | } |
343 | ||
344 | void wxTextCtrl::SetInsertionPointEnd() | |
345 | { | |
7d8268a1 | 346 | wxTextPos pos = GetLastPosition(); |
4bb6408c JS |
347 | SetInsertionPoint(pos); |
348 | } | |
349 | ||
350 | long wxTextCtrl::GetInsertionPoint() const | |
351 | { | |
dfc54541 | 352 | return (long) XmTextGetInsertionPosition ((Widget) m_mainWidget); |
4bb6408c JS |
353 | } |
354 | ||
7d8268a1 | 355 | wxTextPos wxTextCtrl::GetLastPosition() const |
4bb6408c | 356 | { |
dfc54541 | 357 | return (long) XmTextGetLastPosition ((Widget) m_mainWidget); |
4bb6408c JS |
358 | } |
359 | ||
360 | void wxTextCtrl::Replace(long from, long to, const wxString& value) | |
361 | { | |
dfc54541 | 362 | XmTextReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
d3a80c92 | 363 | wxConstCast(value.c_str(), char)); |
4bb6408c JS |
364 | } |
365 | ||
366 | void wxTextCtrl::Remove(long from, long to) | |
367 | { | |
dfc54541 | 368 | XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
66a007fb | 369 | (Time) 0); |
dfc54541 | 370 | XmTextRemove ((Widget) m_mainWidget); |
4bb6408c JS |
371 | } |
372 | ||
373 | void wxTextCtrl::SetSelection(long from, long to) | |
374 | { | |
44d130a3 MB |
375 | if( to == -1 ) |
376 | to = GetLastPosition(); | |
377 | ||
dfc54541 | 378 | XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
66a007fb | 379 | (Time) 0); |
4bb6408c JS |
380 | } |
381 | ||
4bb6408c JS |
382 | void wxTextCtrl::WriteText(const wxString& text) |
383 | { | |
96be256b | 384 | long textPosition = GetInsertionPoint() + text.length(); |
d3a80c92 MB |
385 | XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(), |
386 | wxConstCast(text.c_str(), char)); | |
dfc54541 JS |
387 | XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL); |
388 | SetInsertionPoint(textPosition); | |
389 | XmTextShowPosition ((Widget) m_mainWidget, textPosition); | |
7d8268a1 | 390 | m_modified = true; |
4bb6408c JS |
391 | } |
392 | ||
4dba84be JS |
393 | void wxTextCtrl::AppendText(const wxString& text) |
394 | { | |
7d8268a1 | 395 | wxTextPos textPosition = GetLastPosition() + text.length(); |
d3a80c92 MB |
396 | XmTextInsert ((Widget) m_mainWidget, GetLastPosition(), |
397 | wxConstCast(text.c_str(), char)); | |
4dba84be JS |
398 | XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL); |
399 | SetInsertionPoint(textPosition); | |
400 | XmTextShowPosition ((Widget) m_mainWidget, textPosition); | |
7d8268a1 | 401 | m_modified = true; |
4dba84be JS |
402 | } |
403 | ||
4bb6408c JS |
404 | void wxTextCtrl::Clear() |
405 | { | |
da8cf723 | 406 | XmTextSetString ((Widget) m_mainWidget, wxMOTIF_STR("")); |
7d8268a1 | 407 | m_modified = false; |
4bb6408c JS |
408 | } |
409 | ||
410 | bool wxTextCtrl::IsModified() const | |
411 | { | |
02e8b2f9 | 412 | return m_modified; |
4bb6408c JS |
413 | } |
414 | ||
3a9fa0d6 VZ |
415 | // Makes modified or unmodified |
416 | void wxTextCtrl::MarkDirty() | |
417 | { | |
7d8268a1 | 418 | m_modified = true; |
3a9fa0d6 VZ |
419 | } |
420 | ||
4bb6408c JS |
421 | void wxTextCtrl::DiscardEdits() |
422 | { | |
7d8268a1 | 423 | m_modified = false; |
4bb6408c JS |
424 | } |
425 | ||
426 | int wxTextCtrl::GetNumberOfLines() const | |
427 | { | |
dfc54541 JS |
428 | // HIDEOUSLY inefficient, but we have no choice. |
429 | char *s = XmTextGetString ((Widget) m_mainWidget); | |
430 | if (s) | |
431 | { | |
2d120f83 JS |
432 | long i = 0; |
433 | int currentLine = 0; | |
7d8268a1 | 434 | bool finished = false; |
2d120f83 JS |
435 | while (!finished) |
436 | { | |
437 | int ch = s[i]; | |
438 | if (ch == '\n') | |
439 | { | |
440 | currentLine++; | |
441 | i++; | |
442 | } | |
443 | else if (ch == 0) | |
444 | { | |
7d8268a1 | 445 | finished = true; |
2d120f83 JS |
446 | } |
447 | else | |
448 | i++; | |
449 | } | |
66a007fb | 450 | |
2d120f83 JS |
451 | XtFree (s); |
452 | return currentLine; | |
dfc54541 | 453 | } |
4bb6408c JS |
454 | return 0; |
455 | } | |
456 | ||
457 | long wxTextCtrl::XYToPosition(long x, long y) const | |
458 | { | |
dfc54541 | 459 | /* It seems, that there is a bug in some versions of the Motif library, |
2d120f83 JS |
460 | so the original wxWin-Code doesn't work. */ |
461 | /* | |
462 | Widget textWidget = (Widget) handle; | |
463 | return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y); | |
464 | */ | |
dfc54541 JS |
465 | /* Now a little workaround: */ |
466 | long r=0; | |
467 | for (int i=0; i<y; i++) r+=(GetLineLength(i)+1); | |
66a007fb | 468 | return r+x; |
4bb6408c JS |
469 | } |
470 | ||
813c20a6 | 471 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const |
4bb6408c | 472 | { |
dfc54541 JS |
473 | Position xx, yy; |
474 | XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy); | |
813c20a6 VZ |
475 | if ( x ) |
476 | *x = xx; | |
477 | if ( y ) | |
478 | *y = yy; | |
479 | ||
7d8268a1 | 480 | return true; |
4bb6408c JS |
481 | } |
482 | ||
483 | void wxTextCtrl::ShowPosition(long pos) | |
484 | { | |
dfc54541 | 485 | XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos); |
4bb6408c JS |
486 | } |
487 | ||
488 | int wxTextCtrl::GetLineLength(long lineNo) const | |
489 | { | |
dfc54541 JS |
490 | wxString str = GetLineText (lineNo); |
491 | return (int) str.Length(); | |
4bb6408c JS |
492 | } |
493 | ||
494 | wxString wxTextCtrl::GetLineText(long lineNo) const | |
495 | { | |
dfc54541 JS |
496 | // HIDEOUSLY inefficient, but we have no choice. |
497 | char *s = XmTextGetString ((Widget) m_mainWidget); | |
66a007fb | 498 | |
dfc54541 JS |
499 | if (s) |
500 | { | |
355b4d3d | 501 | wxString buf; |
dfc54541 JS |
502 | long i; |
503 | int currentLine = 0; | |
504 | for (i = 0; currentLine != lineNo && s[i]; i++ ) | |
2d120f83 JS |
505 | if (s[i] == '\n') |
506 | currentLine++; | |
507 | // Now get the text | |
508 | int j; | |
509 | for (j = 0; s[i] && s[i] != '\n'; i++, j++ ) | |
510 | buf += s[i]; | |
66a007fb | 511 | |
2d120f83 JS |
512 | XtFree(s); |
513 | return buf; | |
514 | } | |
515 | else | |
516 | return wxEmptyString; | |
4bb6408c JS |
517 | } |
518 | ||
519 | /* | |
2d120f83 JS |
520 | * Text item |
521 | */ | |
522 | ||
4bb6408c JS |
523 | void wxTextCtrl::Command(wxCommandEvent & event) |
524 | { | |
525 | SetValue (event.GetString()); | |
526 | ProcessCommand (event); | |
527 | } | |
528 | ||
529 | void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event) | |
530 | { | |
531 | // By default, load the first file into the text window. | |
532 | if (event.GetNumberOfFiles() > 0) | |
533 | { | |
534 | LoadFile(event.GetFiles()[0]); | |
535 | } | |
536 | } | |
537 | ||
02e8b2f9 JS |
538 | void wxTextCtrl::OnChar(wxKeyEvent& event) |
539 | { | |
2d120f83 JS |
540 | // Indicates that we should generate a normal command, because |
541 | // we're letting default behaviour happen (otherwise it's vetoed | |
542 | // by virtue of overriding OnChar) | |
7d8268a1 | 543 | m_processedDefault = true; |
66a007fb | 544 | |
2d120f83 | 545 | if (m_tempCallbackStruct) |
02e8b2f9 | 546 | { |
2d120f83 JS |
547 | XmTextVerifyCallbackStruct *textStruct = |
548 | (XmTextVerifyCallbackStruct *) m_tempCallbackStruct; | |
549 | textStruct->doit = True; | |
550 | if (isascii(event.m_keyCode) && (textStruct->text->length == 1)) | |
551 | { | |
355b4d3d | 552 | textStruct->text->ptr[0] = (char)((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode); |
2d120f83 | 553 | } |
02e8b2f9 | 554 | } |
02e8b2f9 JS |
555 | } |
556 | ||
4b5f3fe6 | 557 | void wxTextCtrl::ChangeFont(bool keepOriginalSize) |
0d57be45 | 558 | { |
4b5f3fe6 | 559 | wxWindow::ChangeFont(keepOriginalSize); |
0d57be45 JS |
560 | } |
561 | ||
562 | void wxTextCtrl::ChangeBackgroundColour() | |
563 | { | |
321db4b6 | 564 | wxWindow::ChangeBackgroundColour(); |
66a007fb | 565 | |
94b49b93 | 566 | /* TODO: should scrollbars be affected? Should probably have separate |
2d120f83 JS |
567 | * function to change them (by default, taken from wxSystemSettings) |
568 | */ | |
94b49b93 JS |
569 | if (m_windowStyle & wxTE_MULTILINE) |
570 | { | |
571 | Widget parent = XtParent ((Widget) m_mainWidget); | |
572 | Widget hsb, vsb; | |
66a007fb | 573 | |
94b49b93 | 574 | XtVaGetValues (parent, |
2d120f83 JS |
575 | XmNhorizontalScrollBar, &hsb, |
576 | XmNverticalScrollBar, &vsb, | |
577 | NULL); | |
a756f210 | 578 | wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); |
94b49b93 | 579 | if (hsb) |
7d8268a1 | 580 | wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true); |
94b49b93 | 581 | if (vsb) |
7d8268a1 | 582 | wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true); |
66a007fb | 583 | |
1119b899 | 584 | // MBN: why change parent background? |
7d8268a1 | 585 | // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true); |
94b49b93 | 586 | } |
0d57be45 JS |
587 | } |
588 | ||
589 | void wxTextCtrl::ChangeForegroundColour() | |
590 | { | |
321db4b6 | 591 | wxWindow::ChangeForegroundColour(); |
66a007fb | 592 | |
94b49b93 JS |
593 | if (m_windowStyle & wxTE_MULTILINE) |
594 | { | |
595 | Widget parent = XtParent ((Widget) m_mainWidget); | |
596 | Widget hsb, vsb; | |
66a007fb | 597 | |
94b49b93 | 598 | XtVaGetValues (parent, |
2d120f83 JS |
599 | XmNhorizontalScrollBar, &hsb, |
600 | XmNverticalScrollBar, &vsb, | |
601 | NULL); | |
66a007fb | 602 | |
2d120f83 JS |
603 | /* TODO: should scrollbars be affected? Should probably have separate |
604 | * function to change them (by default, taken from wxSystemSettings) | |
605 | if (hsb) | |
94b49b93 | 606 | DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour); |
2d120f83 | 607 | if (vsb) |
94b49b93 | 608 | DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour); |
2d120f83 | 609 | */ |
a8680e3e | 610 | wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour); |
94b49b93 | 611 | } |
0d57be45 JS |
612 | } |
613 | ||
c27eab7e VZ |
614 | void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode) |
615 | { | |
616 | // we're in process of updating the text control | |
617 | m_tempCallbackStruct = wxcbs; | |
618 | ||
619 | XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs; | |
620 | ||
621 | wxKeyEvent event (wxEVT_CHAR); | |
622 | event.SetId(GetId()); | |
623 | event.m_keyCode = keycode; | |
624 | event.SetEventObject(this); | |
625 | ||
626 | // Only if wxTextCtrl::OnChar is called will this be set to True (and | |
627 | // the character passed through) | |
628 | cbs->doit = False; | |
629 | ||
630 | GetEventHandler()->ProcessEvent(event); | |
631 | ||
632 | if ( !InSetValue() && m_processedDefault ) | |
633 | { | |
634 | // Can generate a command | |
635 | wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId()); | |
636 | commandEvent.SetEventObject(this); | |
637 | ProcessCommand(commandEvent); | |
638 | } | |
639 | ||
640 | // do it after the (user) event handlers processed the events because | |
641 | // otherwise GetValue() would return incorrect (not yet updated value) | |
642 | m_tempCallbackStruct = NULL; | |
643 | } | |
644 | ||
e1aae528 MB |
645 | wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget, |
646 | const wxWindow* window ) | |
647 | { | |
648 | Dimension xmargin, ymargin, highlight, shadow; | |
649 | char* value; | |
650 | ||
651 | XtVaGetValues( textWidget, | |
652 | XmNmarginWidth, &xmargin, | |
653 | XmNmarginHeight, &ymargin, | |
654 | XmNvalue, &value, | |
655 | XmNhighlightThickness, &highlight, | |
656 | XmNshadowThickness, &shadow, | |
657 | NULL ); | |
1119b899 | 658 | |
e1aae528 | 659 | if( !value ) |
da8cf723 | 660 | value = wxMOTIF_STR("|"); |
e1aae528 MB |
661 | |
662 | int x, y; | |
663 | window->GetTextExtent( value, &x, &y ); | |
664 | ||
da8cf723 VZ |
665 | if( x < 100 ) |
666 | x = 100; | |
1119b899 | 667 | |
e1aae528 MB |
668 | return wxSize( x + 2 * xmargin + 2 * highlight + 2 * shadow, |
669 | // MBN: +2 necessary: Lesstif bug or mine? | |
7d8268a1 | 670 | y + 2 * ymargin + 2 * highlight + 2 * shadow + 2 ); |
e1aae528 MB |
671 | } |
672 | ||
673 | wxSize wxTextCtrl::DoGetBestSize() const | |
674 | { | |
675 | if( IsSingleLine() ) | |
f9204363 MB |
676 | { |
677 | wxSize best = wxControl::DoGetBestSize(); | |
678 | ||
679 | if( best.x < 110 ) best.x = 110; | |
680 | ||
681 | return best; | |
682 | } | |
e1aae528 MB |
683 | else |
684 | return wxWindow::DoGetBestSize(); | |
685 | } | |
686 | ||
c27eab7e VZ |
687 | // ---------------------------------------------------------------------------- |
688 | // helpers and Motif callbacks | |
689 | // ---------------------------------------------------------------------------- | |
690 | ||
691 | static void MergeChangesIntoString(wxString& value, | |
692 | XmTextVerifyCallbackStruct *cbs) | |
693 | { | |
694 | /* _sm_ | |
695 | * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of | |
696 | * every event as a replace event. cbs->text->ptr gives the replacement | |
697 | * text, cbs->startPos gives the index of the first char affected by the | |
698 | * replace, and cbs->endPos gives the index one more than the last char | |
699 | * affected by the replace (startPos == endPos implies an empty range). | |
700 | * Hence, a deletion is represented by replacing all input text with a | |
701 | * blank string ("", *not* NULL!). A simple insertion that does not | |
702 | * overwrite any text has startPos == endPos. | |
703 | */ | |
704 | ||
705 | if ( !value ) | |
706 | { | |
707 | // easy case: the ol value was empty | |
708 | value = cbs->text->ptr; | |
709 | } | |
710 | else | |
711 | { | |
712 | // merge the changes into the value | |
713 | const char * const passwd = value; | |
714 | int len = value.length(); | |
715 | ||
44d130a3 MB |
716 | len += ( cbs->text->ptr ? |
717 | strlen(cbs->text->ptr) : | |
718 | 0 ) + 1; // + new text (if any) + NUL | |
c27eab7e VZ |
719 | len -= cbs->endPos - cbs->startPos; // - text from affected region. |
720 | ||
721 | char * newS = new char [len]; | |
722 | char * dest = newS, | |
723 | * insert = cbs->text->ptr; | |
724 | ||
725 | // Copy (old) text from passwd, up to the start posn of the change. | |
726 | int i; | |
727 | const char * p = passwd; | |
728 | for (i = 0; i < cbs->startPos; ++i) | |
729 | *dest++ = *p++; | |
730 | ||
731 | // Copy the text to be inserted). | |
44d130a3 MB |
732 | if (insert) |
733 | while (*insert) | |
734 | *dest++ = *insert++; | |
c27eab7e VZ |
735 | |
736 | // Finally, copy into newS any remaining text from passwd[endPos] on. | |
737 | for (p = passwd + cbs->endPos; *p; ) | |
738 | *dest++ = *p++; | |
739 | *dest = 0; | |
740 | ||
741 | value = newS; | |
742 | ||
743 | delete[] newS; | |
744 | } | |
745 | } | |
746 | ||
747 | static void | |
af111fc3 | 748 | wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr)) |
02e8b2f9 | 749 | { |
2d120f83 JS |
750 | if (!wxGetWindowFromTable(w)) |
751 | // Widget has been deleted! | |
752 | return; | |
66a007fb | 753 | |
2d120f83 | 754 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
7d8268a1 | 755 | tw->SetModified(true); |
02e8b2f9 JS |
756 | } |
757 | ||
66a007fb | 758 | static void |
af111fc3 | 759 | wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs) |
02e8b2f9 | 760 | { |
dfc54541 | 761 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
7d8268a1 | 762 | tw->m_processedDefault = false; |
66a007fb | 763 | |
c27eab7e VZ |
764 | // First, do some stuff if it's a password control: in this case, we need |
765 | // to store the string inside the class because GetValue() can't retrieve | |
766 | // it from the text ctrl. We do *not* do it in other circumstances because | |
767 | // it would double the amount of memory needed. | |
66a007fb | 768 | |
c27eab7e | 769 | if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD ) |
dfc54541 | 770 | { |
c27eab7e | 771 | MergeChangesIntoString(tw->m_value, cbs); |
66a007fb | 772 | |
c27eab7e | 773 | if ( cbs->text->length > 0 ) |
dfc54541 JS |
774 | { |
775 | int i; | |
776 | for (i = 0; i < cbs->text->length; ++i) | |
777 | cbs->text->ptr[i] = '*'; | |
c27eab7e | 778 | cbs->text->ptr[i] = '\0'; |
dfc54541 JS |
779 | } |
780 | } | |
66a007fb | 781 | |
ccb234b4 MB |
782 | if(tw->InSetValue()) |
783 | return; | |
784 | ||
c27eab7e VZ |
785 | // If we're already within an OnChar, return: probably a programmatic |
786 | // insertion. | |
dfc54541 JS |
787 | if (tw->m_tempCallbackStruct) |
788 | return; | |
66a007fb | 789 | |
dfc54541 JS |
790 | // Check for a backspace |
791 | if (cbs->startPos == (cbs->currInsert - 1)) | |
792 | { | |
c27eab7e | 793 | tw->DoSendEvents((void *)cbs, WXK_DELETE); |
66a007fb | 794 | |
dfc54541 JS |
795 | return; |
796 | } | |
66a007fb | 797 | |
c27eab7e | 798 | // Pasting operation: let it through without calling OnChar |
dfc54541 JS |
799 | if (cbs->text->length > 1) |
800 | return; | |
66a007fb | 801 | |
dfc54541 JS |
802 | // Something other than text |
803 | if (cbs->text->ptr == NULL) | |
804 | return; | |
66a007fb | 805 | |
c27eab7e VZ |
806 | // normal key press |
807 | char ch = cbs->text->ptr[0]; | |
808 | tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch); | |
02e8b2f9 JS |
809 | } |
810 | ||
66a007fb | 811 | static void |
af111fc3 | 812 | wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs)) |
02e8b2f9 | 813 | { |
2d120f83 JS |
814 | if (!wxGetWindowFromTable(w)) |
815 | return; | |
66a007fb | 816 | |
2d120f83 JS |
817 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
818 | wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId()); | |
819 | event.SetEventObject(tw); | |
820 | tw->GetEventHandler()->ProcessEvent(event); | |
02e8b2f9 JS |
821 | } |
822 | ||
66a007fb | 823 | static void |
af111fc3 | 824 | wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs)) |
02e8b2f9 | 825 | { |
2d120f83 JS |
826 | if (!wxGetWindowFromTable(w)) |
827 | return; | |
66a007fb | 828 | |
2d120f83 JS |
829 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
830 | wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId()); | |
831 | event.SetEventObject(tw); | |
832 | tw->GetEventHandler()->ProcessEvent(event); | |
02e8b2f9 | 833 | } |
dfc54541 JS |
834 | |
835 | static void wxTextWindowActivateProc(Widget w, XtPointer clientData, | |
af111fc3 | 836 | XmAnyCallbackStruct *WXUNUSED(ptr)) |
dfc54541 | 837 | { |
2d120f83 JS |
838 | if (!wxGetWindowFromTable(w)) |
839 | return; | |
66a007fb | 840 | |
2d120f83 | 841 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
66a007fb | 842 | |
2d120f83 JS |
843 | if (tw->InSetValue()) |
844 | return; | |
66a007fb | 845 | |
2d120f83 JS |
846 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER); |
847 | event.SetId(tw->GetId()); | |
848 | event.SetEventObject(tw); | |
849 | tw->ProcessCommand(event); | |
dfc54541 | 850 | } |
c27eab7e | 851 | |
e702ff0f JS |
852 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
853 | { | |
854 | Cut(); | |
855 | } | |
856 | ||
857 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) | |
858 | { | |
859 | Copy(); | |
860 | } | |
861 | ||
862 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) | |
863 | { | |
864 | Paste(); | |
865 | } | |
866 | ||
867 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) | |
868 | { | |
869 | Undo(); | |
870 | } | |
871 | ||
872 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) | |
873 | { | |
874 | Redo(); | |
875 | } | |
876 | ||
877 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) | |
878 | { | |
879 | event.Enable( CanCut() ); | |
880 | } | |
881 | ||
882 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) | |
883 | { | |
884 | event.Enable( CanCopy() ); | |
885 | } | |
886 | ||
887 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) | |
888 | { | |
889 | event.Enable( CanPaste() ); | |
890 | } | |
891 | ||
892 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) | |
893 | { | |
894 | event.Enable( CanUndo() ); | |
895 | } | |
896 | ||
897 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) | |
898 | { | |
899 | event.Enable( CanRedo() ); | |
900 | } |